Abstract: Overtime work is a significant indicator of overwork and an important component of employment quality. This paper, from the perspective of the labor process, aims to explore the impact of digital economic development on workers' overtime work and its mechanism of action, and uses data from the Chinese Social Survey (CSS) from 2013 to 2021 and multilevel models for empirical testing. The results show that: (1) The development of the digital economy has significantly alleviated the phenomenon of overtime work among non-agricultural employees, which is conducive to improving the employment quality of workers; (2) Unemployment risk and skill requirements constitute important mediating mechanisms through which the digital economy affects workers' overtime work. The digital economy significantly reduces the probability of overtime work by lowering workers' unemployment risk and raising the skill requirements of jobs; (3) The development of the digital economy has a universal inhibitory effect on workers' overtime work, but the impact paths vary among different educational groups, and skill requirements play a significant mediating role among workers of all educational levels, while the mediating role of unemployment risk only exists among workers with low educational attainments.